Re: [PATCH RFC V2 13/17] kmap: Add stray write protection for device pages

[Peter Zijlstra]

On Fri, Jul 17, 2020 at 12:20:52AM -0700, ira.weiny@xxxxxxxxx wrote:
> @@ -31,6 +32,20 @@ static inline void invalidate_kernel_vmap_range(void *vaddr, int size)
>  
>  #include <asm/kmap_types.h>
>  
> +static inline void enable_access(struct page *page)
> +{
> +	if (!page_is_access_protected(page))
> +		return;
> +	dev_access_enable();
> +}
> +
> +static inline void disable_access(struct page *page)
> +{
> +	if (!page_is_access_protected(page))
> +		return;
> +	dev_access_disable();
> +}

These are some very generic names, do we want them to be a little more
specific?